Marshall Flam, M.D.
NPI 1891789004 · Hematology & Oncology Physician · Fresno, CA
Marshall Flam, M.D. is a Hematology & Oncology Physician provider in Fresno, CA (NPI 1891789004).
Provider details
- NPI number
- 1891789004
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G20870 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-01
- Last updated
- 2010-02-25
Frequently asked questions
- What is Marshall Flam's NPI number?
- Marshall Flam's National Provider Identifier (NPI) is 1891789004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Flam's specialty?
- Marshall Flam is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Marshall Flam located?
- Marshall Flam's practice location on file with NPPES is 7130 N Millbrook Ave, Fresno, CA 93720-3347.
- What is Marshall Flam's phone number?
- The practice phone number listed in the NPPES registry for Marshall Flam is (559) 447-4949.
- Is Marshall Flam's NPI active?
- Yes — Marshall Flam's NPI (1891789004) is active in the NPPES registry as of the last update on 2010-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.